Prepare method overrides when bean class gets resolved

See gh-31826

Author: jhoeller

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java

@@ -496,15 +496,13 @@ protected Object createBean(String beanName, RootBeanDefinition mbd, @Nullable O
 		if (resolvedClass != null && !mbd.hasBeanClass() && mbd.getBeanClassName() != null) {
 			mbdToUse = new RootBeanDefinition(mbd);
 			mbdToUse.setBeanClass(resolvedClass);
-		}
-
-		// Prepare method overrides.
-		try {
-			mbdToUse.prepareMethodOverrides();
-		}
-		catch (BeanDefinitionValidationException ex) {
-			throw new BeanDefinitionStoreException(mbdToUse.getResourceDescription(),
-					beanName, "Validation of method overrides failed", ex);
+			try {
+				mbdToUse.prepareMethodOverrides();
+			}
+			catch (BeanDefinitionValidationException ex) {
+				throw new BeanDefinitionStoreException(mbdToUse.getResourceDescription(),
+						beanName, "Validation of method overrides failed", ex);
+			}
 		}
 
 		try {

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java

@@ -1503,14 +1503,22 @@ protected Class<?> resolveBeanClass(RootBeanDefinition mbd, String beanName, Cla
 			if (mbd.hasBeanClass()) {
 				return mbd.getBeanClass();
 			}
-			return doResolveBeanClass(mbd, typesToMatch);
+			Class<?> beanClass = doResolveBeanClass(mbd, typesToMatch);
+			if (mbd.hasBeanClass()) {
+				mbd.prepareMethodOverrides();
+			}
+			return beanClass;
 		}
 		catch (ClassNotFoundException ex) {
 			throw new CannotLoadBeanClassException(mbd.getResourceDescription(), beanName, mbd.getBeanClassName(), ex);
 		}
 		catch (LinkageError err) {
 			throw new CannotLoadBeanClassException(mbd.getResourceDescription(), beanName, mbd.getBeanClassName(), err);
 		}
+		catch (BeanDefinitionValidationException ex) {
+			throw new BeanDefinitionStoreException(mbd.getResourceDescription(),
+					beanName, "Validation of method overrides failed", ex);
+		}
 	}
 
 	@Nullable